Auditions for “25 Years of Rock: Billboard Hits ’55-’79, 6-8 p.m., Winter Street Church annex, Bath; email audition song and 2 others to markmcneil@cocast.net (songs from different years and artists); performance is April 21; 443-6581.

Auditions for “25 Years of Rock: Billboard Hits ’55-’79, 2-5 p.m., Winter Street Church annex, Bath; email audition song and 2 others to markmcneil@cocast.net (songs from different years and artists); performance is April 21; 443-6581.

Masters Workshop: Playing in a Bluegrass Band, 10 a.m.-2 p.m., 317 Main Community Music Center, Yarmouth; $75, includes lunch; for intermediate to advanced players, focus on mandolin, guitar, bass, najo; register 846-9559 or www.317MainSt.org.